An argument that Merge is binary but its Binarity refers to syntactic positions rather than objects.
They maintain that Merge is binary, but argue that the Binarity of Merge refers to syntactic positions Merge relates: what has typically been formulated as a constraint that prevent.
In this book, Barbara Citko and Martina Gračanin-Y ksek examine the constraints on Merge--the basic structure-building operation in minimalist syntax--from a multidominant perspective.
An argument that Merge is binary but its Binarity refers to syntactic positions rather than objects